lib/MojoFacets/Data.pm

   1 package MojoFacets::Data;
   2
   3 use strict;
   4 use warnings;
   5
   6 use base 'Mojolicious::Controller';
   7
   8 use Data::Dump qw(dump);
   9 use File::Slurp;
  10 use Encode;
  11 use locale;
  12 use File::Find;
  13 use Storable;
  14 use Time::HiRes qw(time);
  15 use File::Path qw(mkpath);
  16 use Text::Unaccent::PurePerl;
  17 use Digest::MD5;
  18
  19 use MojoFacets::Import::File;
  20 use MojoFacets::Import::HTMLTable;
  21 use MojoFacets::Import::CSV;
  22
  23 our $loaded;
  24 our $filters;
  25
  26 sub index {
  27         my $self = shift;
  28
  29         my $data_dir = $self->app->home->rel_dir('data');
  30         die "no data dir $data_dir" unless -d $data_dir;
  31
  32         my @files;
  33         my $changes;
  34         find( sub {
  35                 my $file = $File::Find::name;
  36                 if ( -f $file && $file =~ m/\.(js(on)?|txt)$/ ) {
  37                         $file =~ s/$data_dir\/*//;
  38                         push @files, $file;
  39                 } elsif ( -f $file && $file =~ m/([^\/]+)\.changes\/(\d+\.\d+.+)/ ) {
  40                         push @{ $changes->{$1} }, $2
  41                 } elsif ( -d $file && $file =~ m/\.html$/ ) {
  42                         $file =~ s/$data_dir\/*//;
  43                         push @files, $file;
  44                 } elsif ( -f $file && $file =~ m/\.csv$/i ) {
  45                         $file =~ s/$data_dir\/*//;
  46                         push @files, $file;
  47                 } elsif ( -f $file && $file =~ m/\.storable/i ) {
  48                         $file =~ s/$data_dir\/*//;
  49                         push @files, $file;
  50                 } else {
  51                         #warn "IGNORE: $file\n";
  52                 }
  53         }, $data_dir);
  54
  55         no warnings qw(uninitialized); # mtime
  56         @files = sort { $loaded->{$b}->{mtime} <=> $loaded->{$a}->{mtime} || lc $a cmp lc $b } @files,
  57                         grep { defined $loaded->{$_}->{generated} } keys %$loaded;
  58         my $size;
  59         $size->{$_} = -s "$data_dir/$_" foreach @files;
  60
  61         $self->render(
  62                 files => [ @files ],
  63                 size => $size,
  64                 loaded => $loaded,
  65                 filters => $filters,
  66                 dump_path => { map { $_ => $self->_dump_path($_) } @files },
  67                 changes => $changes,
  68         );
  69 }
  70
  71 sub _dump_path {
  72         my ( $self, $name ) = @_;
  73         my $dir = $self->app->home->rel_dir('data');
  74         $name =~ s/^$dir//;
  75         $name =~ s/\/+/_/g;
  76         return '/tmp/mojo_facets.' . $name . '.storable';
  77 }
  78
  79 sub _save {
  80         my ( $self, $path ) = @_;
  81
  82         my $dump_path = $self->_dump_path( $path );
  83         my $first_load = ! -e $dump_path;
  84         warn "save loaded to $dump_path";
  85         my $info = $loaded->{$path};
  86         store $info, $dump_path;
  87
  88         if ( $first_load ) {
  89                 my $mtime = $loaded->{$path}->{mtime};
  90                 utime $mtime, $mtime, $dump_path;
  91                 warn "sync time to $path at $mtime\n";
  92         }
  93
  94         warn $dump_path, ' ', -s $dump_path, " bytes\n";
  95         return $dump_path;
  96 }
  97
  98
  99 sub __stats {
 100
 101         my $stats;
 102
 103         my $nr_items = $#{ $_[0] } + 1;
 104
 105         warn "__stats $nr_items\n";
 106
 107         foreach my $e ( @{ $_[0] } ) {
 108                 foreach my $n ( keys %$e ) {
 109                         $stats->{$n}->{count}++;
 110                         my @v;
 111                         if ( ref $e->{$n} eq 'ARRAY' ) {
 112                                 $stats->{$n}->{array} += $#{ $e->{$n} } + 1;
 113                                 @v = @{ $e->{$n} };
 114                         } else {
 115                                 @v = ( $e->{$n} );
 116                         }
 117
 118                         foreach my $x ( @v ) {
 119                                 $stats->{$n}->{numeric}++
 120                                         if $x =~ m/^[-+]?([0-9]*\.[0-9]+|[0-9]+)$/;
 121                                 $stats->{$n}->{empty}++
 122                                         if length $x == 0; # faster than $x =~ m/^\s*$/;
 123                         }
 124
 125                 }
 126         }
 127
 128         foreach my $n ( keys %$stats ) {
 129                 my $s = $stats->{$n};
 130                 next unless defined $s->{array};
 131                 if ( $s->{array} == $s->{count} ) {
 132                         delete $s->{array};
 133                         if ( $s->{count} == $nr_items ) {
 134                                 warn "check $n for uniqeness\n";
 135                                 my $unique;
 136                                 foreach my $e ( @{ $_[0] } ) {
 137                                         if ( ++$unique->{ $e->{$n}->[0] } == 2 ) {
 138                                                 $unique = 0;
 139                                                 last;
 140                                         }
 141                                 }
 142                                 if ( $unique ) {
 143                                         $stats->{$n}->{unique} = 1;
 144                                         #warn "# $n unique ",dump( $unique );
 145                                 }
 146                         }
 147                 }
 148         }
 149
 150         warn "# __stats ",dump($stats);
 151
 152         return $stats;
 153 }
 154
 155 sub _param_or_session {
 156         $_[0]->param( $_[1] ) || $_[0]->session( $_[1] )
 157 }
 158
 159 sub stats {
 160         my $self = shift;
 161         my $path = $self->_param_or_session('path');
 162         warn "stats $path\n";
 163         delete $loaded->{$path}->{stats};
 164         $self->redirect_to( '/data/columns' );
 165 }
 166
 167
 168 sub _load_path {
 169         my ( $self, $path ) = @_;
 170
 171         return if defined $loaded->{$path}->{generated};
 172
 173         my $full_path = $self->app->home->rel_file( 'data/' . $path );
 174         $self->redirect_to('/data/index') unless -r $full_path;
 175
 176         my $dump_path = $self->_dump_path( $path );
 177
 178         if ( defined $loaded->{$path}->{data} ) {
 179                 my $mtime = (stat($full_path))[9];
 180                 return if $loaded->{$path}->{mtime} == $mtime;
 181                 warn "reload $full_path, modified ", time() - $mtime, " seconds ago\n";
 182         } elsif ( -e $dump_path ) {
 183                 warn "dump_path $dump_path ", -s $dump_path, " bytes loading...\n";
 184                 my $info = retrieve $dump_path;
 185                 $loaded->{ $path } = $info;
 186                 return;
 187         }
 188
 189         my $data;
 190         if ( -f $full_path ) {
 191                 if ( $full_path =~ m/.csv/i ) {
 192                         $data = MojoFacets::Import::CSV->new( full_path => $full_path )->data;
 193                 } elsif ( $full_path =~ m/.storable/ ) {
 194                         warn "open $full_path ", -s $full_path, " bytes";
 195                         open(my $pipe, "<", $full_path) || die $!;
 196                         while ( my $o = eval { Storable::fd_retrieve $pipe } ) {
 197                                 if ( defined $o->{item} ) {
 198                                         push @{ $data->{items} }, $o->{item};
 199                                 } else {
 200                                         warn "SKIP ",dump($o);
 201                                 }
 202                         }
 203                         close($pipe);
 204                         warn "loaded ", $#{ $data->{items} } + 1, " items from $full_path\n";
 205                         $data->{generated}++;
 206                 } else {
 207                         $data = MojoFacets::Import::File->new( full_path => $full_path, path => $path )->data;
 208                 }
 209         } elsif ( -d $full_path && $full_path =~ m/.html/ ) {
 210                 $data = MojoFacets::Import::HTMLTable->new( dir => $full_path )->data;
 211         } else {
 212                 die "can't load $full_path";
 213         }
 214
 215         my @header;
 216
 217         if ( defined $data->{header} ) {
 218                 if ( ref $data->{header} eq 'ARRAY' ) {
 219                         @header = @{ $data->{header} };
 220                 } else {
 221                         warn "header not array ", dump( $data->{header} );
 222                 }
 223         }
 224
 225         my $stats = __stats( $data->{items} );
 226
 227         @header =
 228                 sort { $stats->{$b}->{count} <=> $stats->{$a}->{count} }
 229                 grep { defined $stats->{$_}->{count} } keys %$stats
 230                 unless @header;
 231
 232         my $info = {
 233                 header => [ @header ],
 234                 stats  => $stats,
 235                 full_path => $full_path,
 236                 size => -s $full_path,
 237                 mtime => (stat($full_path))[9],
 238                 data => $data,
 239                 defined $data->{generated} ? ( generated => 1 ) : (),
 240         };
 241
 242         $loaded->{ $path } = $info;
 243         $self->_save( $path ) unless $info->{generated};
 244
 245 }
 246
 247
 248 sub load {
 249         my $self = shift;
 250
 251         my $path = $self->param('path') || $self->redirect_to( '/data/index' );
 252
 253         my @paths = $self->param('paths');
 254         warn "# paths ", dump @paths;
 255
 256         foreach my $p ( keys %$loaded ) {
 257                 next if grep { /^\Q$p\E$/ } @paths;
 258                 warn "remove $p from memory\n";
 259                 delete $loaded->{$p};
 260         }
 261
 262         $self->_load_path( $_ ) foreach @paths;
 263
 264         warn "# path $path\n";
 265         $self->_load_path( $path );
 266
 267         $self->session( 'path' => $path );
 268
 269         my $redirect_to = '/data/items';
 270
 271         $self->session( 'header' => $loaded->{$path}->{header} );
 272         if ( ! defined $loaded->{$path}->{columns} ) {
 273                 my $columns_path = $self->_permanent_path( 'columns' );
 274                 if ( -e $columns_path ) {
 275                         my @columns = map { s/[\r\n]+$//; $_ } read_file $columns_path, binmode => ':utf8';
 276                         $loaded->{$path}->{columns} = [ @columns ];
 277                         warn "# columns_path $columns_path ",dump(@columns);
 278                 } else {
 279                         $loaded->{$path}->{columns} = $loaded->{$path}->{header}
 280                 }
 281
 282                 $redirect_to = '/data/columns';
 283         }
 284         $self->session( 'columns' => $loaded->{$path}->{columns} );
 285         $self->session( 'order'   => $loaded->{$path}->{columns}->[0] );
 286         $self->redirect_to( $redirect_to );
 287 }
 288
 289
 290 sub _loaded {
 291         my ( $self, $name ) = @_;
 292         my $path = $self->session('path') || $self->param('path');
 293         $self->redirect_to('/data/index') unless $path;
 294
 295         if ( defined $loaded->{$path}->{modified} && $loaded->{$path}->{modified} > 1 ) {
 296                 my $caller = (caller(1))[3];
 297                 if ( $caller =~ m/::edit/ ) {
 298                         warn "rebuild stats for $path ignored caller $caller\n";
 299                 } else {
 300                         warn "rebuild stats for $path FORCED by modified caller $caller\n";
 301 #                       $loaded->{$path}->{stats} = __stats( $loaded->{$path}->{data}->{items} );
 302                         $loaded->{$path}->{rebuild_stats} = 1;
 303                         $loaded->{$path}->{modified} = 1;
 304                 }
 305         }
 306
 307         if ( defined $loaded->{$path}->{rebuild_stats} ) {
 308                 warn "rebuild_stats $path";
 309                 $loaded->{$path}->{stats} = __stats( $loaded->{$path}->{data}->{items} );
 310                 delete $loaded->{$path}->{rebuild_stats};
 311         }
 312
 313         if ( ! defined $loaded->{$path}->{$name} ) {
 314                 warn "$path $name isn't loaded\n";
 315                 $self->_load_path( $path );
 316                 if ( ! defined $loaded->{$path}->{stats} ) {
 317                         warn "rebuild stats for $path\n";
 318                         $loaded->{$path}->{stats} = __stats( $loaded->{$path}->{data}->{items} );
 319                 }
 320                 if ( ! defined $loaded->{$path}->{$name} ) {
 321                         warn "MISSING $name for $path\n";
 322                         $self->redirect_to('/data/index')
 323                 }
 324         }
 325
 326         $self->session( 'modified' => $loaded->{$path}->{modified} );
 327
 328         return $loaded->{$path}->{$name};
 329 }
 330
 331
 332 sub _checked {
 333         my $self = shift;
 334         my $checked;
 335         $checked->{$_}++ foreach @_;
 336 #       warn "# _checked ",dump($checked);
 337         return $checked;
 338 }
 339
 340 sub _permanent_path {
 341         my $self = shift;
 342         my $path = $self->_param_or_session('path');
 343         $self->app->home->rel_dir('data') . '/' . join('.', $path, @_);
 344 }
 345
 346 sub __unac {
 347         my $n = shift;
 348         $n = unac_string($n);
 349         $n =~ s/\W+/_/g;
 350         return $n;
 351 }
 352
 353 sub _column_from_unac {
 354         my ($self,$name) = @_;
 355
 356         my $stats = $self->_loaded('stats');
 357         my $cols_norm = { map { __unac( $_ ) => $_ } keys %$stats };
 358
 359         $cols_norm->{$name} || die "can't find column $name in ", dump($cols_norm);
 360 }
 361
 362 sub _export_path {
 363         my $self = shift;
 364         my $path = $self->_param_or_session('path');
 365         if ( ! $path ) {
 366                 warn "no path in param or session";
 367                 return;
 368         }
 369         my $dir = $self->app->home->rel_dir('public') . "/export/$path";
 370         mkpath $dir unless -e $dir;
 371         my $name = __export_path_name( $path, @_ );
 372         my $full = $dir . '/' . $name;
 373         $full =~ s/\/+$// if -d $full; # strip trailing slash for dirs
 374         return $full;
 375 }
 376
 377 sub __export_path_name {
 378         my $max_length = 80;
 379
 380         my $path = shift;
 381         my $name = join('.', map { __unac($_) } @_ );
 382         if ( length($name) > $max_length ) {
 383                 $name = substr($name,0,$max_length) . Digest::MD5::md5_hex substr($name,$max_length);
 384         }
 385         return $name;
 386 }
 387
 388 sub columns {
 389     my $self = shift;
 390
 391         my $view_path = $self->_permanent_path( 'views' );
 392
 393         if ( $self->param('columns') ) {
 394                 my @columns = $self->_param_array('columns');
 395                 write_file( $self->_permanent_path( 'columns' ), { binmode => ':utf8' }, map { "$_\n" } @columns );
 396                 if ( my $view = $self->param('view') ) {
 397                         mkdir $view_path unless -e $view_path;
 398                         write_file( "$view_path/$view", { binmode => ':utf8' }, map { "$_\n" } @columns );
 399                         warn "view $view_path/$view ", -s "$view_path/$view", " bytes\n";
 400                 }
 401
 402                 $self->redirect_to('/data/items');
 403         }
 404
 405         if ( my $id = $self->param('id') ) {
 406                 my $view_full = "$view_path/$id";
 407                 if ( -f $view_full ) {
 408                         my @columns = map { chomp; $_ } read_file $view_full, binmode => ':utf8';
 409                         warn "view $view_full loaded ", dump @columns;
 410                         $self->session( 'columns' => [ @columns ] );
 411                         $self->redirect_to('/data/items');
 412                 }
 413         }
 414
 415         my $stats = $self->_loaded( 'stats' );
 416
 417         my @columns;
 418         @columns = grep { defined $stats->{$_}->{count} } @{ $self->session('columns') } if $self->session('columns');
 419
 420         foreach my $c ( @{ $self->session( 'header' ) } ) {
 421                 push @columns, $c unless grep { /^\Q$c\E$/ } @columns;
 422         }
 423
 424         my @views;
 425         if ( -d $view_path ) {
 426                 @views = map { s{^\Q$view_path\E/*}{}; $_ } glob "$view_path/*";
 427                 warn "# views ",dump @views;
 428         }
 429
 430     $self->render(
 431                 message => 'Select columns to display',
 432                 stats => $stats,
 433                 columns => \@columns,
 434                 checked => $self->_checked( $self->_param_array('columns') ),
 435                 views => \@views,
 436         );
 437 }
 438
 439 sub _param_array {
 440     my ($self,$name) = @_;
 441
 442         my @array = $self->param($name);
 443         my $path  = $self->session('path');
 444
 445         if ( @array ) {
 446                 $self->session($name => [ @array ]);
 447                 $loaded->{$path}->{$name} = [ @array ];
 448         } elsif ( my $session = $self->session($name) ) {
 449                 if ( ref $session eq 'ARRAY' ) {
 450                         @array = @$session;
 451                 } else {
 452                         die "$name not array ",dump($session);
 453                 }
 454         }
 455         #warn "# $name ",dump @array;
 456         return @array;
 457 }
 458
 459 sub _param_scalar {
 460     my ($self,$name,$default) = @_;
 461
 462         my $scalar = $self->param($name);
 463
 464         if ( defined $scalar ) {
 465                 $self->session($name => $scalar);
 466         } else {
 467                 $scalar = $self->session($name);
 468         }
 469
 470         if ( ! defined $scalar ) {
 471                 $scalar = $default;
 472                 die "no default for $name" unless defined $scalar;
 473                 $self->session($name => $scalar);
 474         }
 475
 476         warn "# _param_scalar $name ",dump $scalar;
 477         return $scalar;
 478 }
 479
 480 sub filter {
 481         my $self = shift;
 482
 483         my $name = $self->param('filter_name') || die "name?";
 484         my @vals = $self->param('filter_vals');
 485
 486         $self->_remove_filter( $name );
 487         if ( @vals ) {
 488                 $self->_filter_on_data( $name, @vals );
 489                 if ( my $permanent = $self->param('_permanent') ) {
 490                         my $permanent_path = $self->_export_path( 'filter', $name, $permanent );
 491                         write_file $permanent_path, { binmode => ':utf8' }, map { "$_\n" } @vals;
 492                         warn "permanent filter $permanent_path ", -s $permanent_path;
 493                 }
 494         }
 495
 496         $self->session( 'offset' => 0 );
 497
 498         $self->redirect_to('/data/items');
 499 }
 500
 501 sub _filter_on_data {
 502         my ( $self, $name, @vals ) = @_;
 503
 504         my $path = $self->session('path');
 505
 506         if ( ! defined $loaded->{$path}->{stats}->{ $name } ) {
 507                 warn "filter $name not found in data set";
 508                 return;
 509         }
 510
 511         $filters->{$name} = [ @vals ];
 512         warn "_filter_on_data $name ", $#vals + 1, " values on $path\n";
 513
 514         my $filter_hash;
 515         $filter_hash->{$_}++ foreach @vals;
 516
 517         #warn "# filter_hash ",dump( $filter_hash );
 518
 519         my $items = $self->_loaded('data')->{items};
 520
 521         my $include_missing = defined $filter_hash->{_missing};
 522         my $filtered_items;
 523
 524         foreach my $i ( 0 .. $#$items ) {
 525
 526                 if ( defined $items->[$i]->{$name} ) {
 527                         my $row = $items->[$i]->{$name};
 528                         $row = [ $row ] unless ref $row eq 'ARRAY'; # FIXME probably wrong place
 529                         foreach my $v ( @$row ) {
 530                                 if ( defined $filter_hash->{ $v } ) {
 531                                         $filtered_items->{$i}++;
 532                                 }
 533                         }
 534                 } elsif ( $include_missing ) {
 535                         $filtered_items->{$i}++;
 536                 }
 537         }
 538
 539         #warn "# filter $name ",dump($filtered_items);
 540
 541         $loaded->{$path}->{filters}->{$name} = $filtered_items;
 542         warn "filter $name with ", scalar keys %$filtered_items, " items created\n";
 543 }
 544
 545
 546 sub _current_filters {
 547         my $self = shift;
 548         my $current_filters;
 549         my $stats = $self->_loaded('stats');
 550
 551         $current_filters->{ $_ } = $filters->{ $_ }
 552                 foreach ( grep { defined $filters->{ $_ } } keys %$stats )
 553         ;
 554         warn "# _current_filters ",dump( keys %$current_filters );
 555         return $current_filters;
 556 }
 557
 558 sub _data_sorted_by {
 559         my ( $self, $order ) = @_;
 560
 561         my $path = $self->session('path');
 562
 563         warn "_data_sorted_by $order from $path";
 564
 565         if ( defined $loaded->{$path}->{sorted}->{$order} ) {
 566                 return $loaded->{$path}->{sorted}->{$order};
 567         }
 568
 569         my $data = $self->_loaded( 'data' );
 570         my $numeric = $self->_is_numeric($order);
 571         my $missing = $numeric ? 0 : '';
 572         no warnings qw(numeric);
 573         my $nr = 0;
 574         my @sorted = map {
 575                 $_->[0]
 576         } sort {
 577                 if ( $numeric ) {
 578                         $a->[1] <=> $b->[1]
 579                 } else {
 580                         $a->[1] cmp $b->[1]
 581                 }
 582         } map {
 583                 my $v;
 584                 if ( ! exists $_->{$order} ) {
 585                         $v = $missing;
 586                 } elsif ( ref $_->{$order} eq 'ARRAY' ) {
 587                         $v = join('', @{$_->{$order}});
 588                 } else {
 589                         $v = $_->{$order};
 590                 }
 591                 [ $nr++, $v ]
 592         } @{ $data->{items} }
 593         ;
 594
 595         warn "sorted: $order numeric: $numeric items: ", $#sorted + 1, "\n";
 596         #warn "# sorted ",dump( @sorted );
 597
 598         $loaded->{$path}->{sorted}->{$order} = [ @sorted ];
 599 }
 600
 601
 602 sub __all_filters {
 603         my $order = pop @_;
 604         join(',', sort(@_), 'order', $order);
 605 }
 606
 607 our ($out, $key,$value);
 608
 609 sub __commit_path_code {
 610         my ( $path, $i, $code, $commit_changed ) = @_;
 611
 612         my $items = $loaded->{$path}->{data}->{items} || die "no items for $path";
 613         my $row = $items->[$i];
 614         my $update;
 615         eval $code;
 616         foreach ( keys %$update ) {
 617                 $$commit_changed->{$_}++;
 618                 $loaded->{$path}->{data}->{items}->[$i]->{$_} = $update->{$_};
 619         }
 620         #warn "__commit_path_code $path $i ",dump( $update );
 621 }
 622
 623 sub items {
 624         my $self = shift;
 625
 626         if ( my $show = $self->param('id') ) {
 627                 $self->param('show', $show);
 628                 warn "show $show\n";
 629         }
 630
 631         my $path = $self->_param_scalar('path');
 632
 633         my @columns = $self->_param_array('columns');
 634         $self->redirect_to('/data/columns') unless @columns;
 635         my $order   = $self->_param_scalar('order', $columns[0]);
 636         my $sort    = $self->_param_scalar('sort', 'a');
 637         my $offset  = $self->_param_scalar('offset', 0);
 638         my $limit   = $self->_param_scalar('limit', 20);
 639         $self->_param_scalar('show', 'table');
 640
 641         # fix offset when changing limit
 642         $offset = int( $offset / $limit ) * $limit;
 643
 644         if ( ! grep { /^\Q$order\E$/ } @columns ) {
 645                 $order = $columns[0];
 646                 $self->session( order => $order );
 647         }
 648         my $sorted = $self->_data_sorted_by( $order );
 649
 650         my @filter_names;
 651         if ( $filters ) {
 652                 foreach my $name ( keys %$filters ) {
 653                         if ( ! defined $loaded->{$path}->{stats}->{ $name } ) {
 654                                 warn "skip filter $name not found in $path\n";
 655                                 next;
 656                         }
 657                         push @filter_names, $name;
 658                 }
 659                 warn "filter_names ",dump( @filter_names );
 660                 foreach my $name ( @filter_names ) {
 661                         next if ref $loaded->{$path}->{filters}->{$name} eq 'ARRAY';
 662                         $self->_filter_on_data( $name, @{ $filters->{$name} } );
 663                 }
 664         }
 665
 666         my $all_filters = __all_filters( @filter_names,$order );
 667
 668 #       warn "# all_filters $all_filters ", dump( $loaded->{$path}->{filtered}->{$all_filters} );
 669
 670         if ( ! defined $loaded->{$path}->{filtered}->{$all_filters} ) {
 671
 672                 my $path_filters = $loaded->{$path}->{filters};
 673
 674                 warn "create combined filter for $all_filters from ", $#$sorted + 1, " items\n";
 675
 676                 my @filtered;
 677                 foreach my $i ( 0 .. $#$sorted ) {
 678                         my $pos = $sorted->[$i];
 679
 680                         if ( $#filter_names == -1 ) {
 681                                 push @filtered, $pos;
 682                                 next;
 683                         }
 684
 685                         my $skip = 0;
 686                         foreach ( @filter_names ) {
 687                                 $skip ||= 1 if ! defined $path_filters->{$_}->{$pos};
 688                         }
 689                         next if $skip;
 690
 691                         push @filtered, $pos;
 692                 }
 693
 694                 $loaded->{$path}->{filtered}->{$all_filters} = [ @filtered ];
 695         }
 696
 697         my $filtered = $loaded->{$path}->{filtered}->{$all_filters}
 698                 if defined $loaded->{$path}->{filtered}->{$all_filters};
 699
 700         warn "all_filters $all_filters produced ", $#$filtered + 1, " items\n" if $filtered;
 701
 702         my $data = $self->_loaded('data');
 703
 704         my $code = $self->_param_scalar('code','');
 705         $code =~ s{\r}{}gs;
 706         $code =~ s{\n+$}{\n}s;
 707
 708         my $commit = $self->param('commit');
 709         my $test = $self->param('test');
 710
 711         my $commit_changed;
 712
 713         if ( $code && ( $test || $commit ) ) {
 714                 # XXX find columns used in code snippet and show them to user
 715                 my $order = 0;
 716                 foreach my $column ( $code =~ m/\$row->{([^}]+)}/g ) {
 717                         if ( $column =~ s/^(['"])// ) {
 718                                 $column =~ s/$1$//;
 719                         }
 720                         next if $column =~ m/\$/; # hide columns with vars in them
 721                         $commit_changed->{$column} = 0;
 722                 }
 723         }
 724
 725         my $code_path = $self->app->home->rel_dir('public') . "/code";
 726         if ( $commit ) {
 727
 728                 warn "# commit on ", $#$filtered + 1, " items:\n$code\n";
 729                 ( $key, $value, $out ) = ( 'key', 'value' );
 730                 foreach ( 0 .. $#$filtered ) {
 731                         my $i = $filtered->[$_];
 732                         __commit_path_code( $path, $i, $code, \$commit_changed );
 733                 }
 734
 735                 $self->_save_change({
 736                         path => $path,
 737                         time => $self->param('time') || time(),
 738                         user => $self->param('user') || $ENV{'LOGNAME'},
 739                         code => $code,
 740                         commit_changed => $commit_changed,
 741                 });
 742
 743                 if ( my $description = $self->param('code_description') ) {
 744                         my $depends = $self->param('code_depends') || die "no code_depends?";
 745                         my $path = "$code_path/$depends.$description.pl";
 746                         if ( -e $path && ! $self->param('overwrite') ) {
 747                                 warn "# code $path not saved\n";
 748                         } else {
 749                                 write_file(  $path, { binmode => ':utf8' }, "$code\n" );
 750                                 warn "code $path ", -s $path, " bytes saved\n";
 751                         }
 752                 }
 753
 754                 # remove console
 755                 $code = '';
 756                 if ( $out ) {
 757                         my $commit_dataset = join('.'
 758                                 , $self->param('code_depends')
 759                                 , $self->param('code_description')
 760                                 , time()
 761                         );
 762                         $key ||= 'key';
 763                         $value ||= 'value';
 764                         warn "key $key value $value";
 765                         my $items;
 766                         foreach my $n ( keys %$out ) {
 767                                 my $i = { $key => [ $n ] };
 768                                 my $ref = ref $out->{$n};
 769                                 if ( $ref eq 'HASH' ) {
 770                                         $i->{$_} = [ $out->{$n}->{$_} ] foreach keys %{ $out->{$n} };
 771                                 } elsif ( $ref eq 'ARRAY' ) {
 772                                         $i->{$_} = $out->{$n};
 773                                 } elsif ( ! $ref ) {
 774                                         $i->{$value} = [ $out->{$n} ];
 775                                 } else {
 776                                         $i->{_error} = [ dump($out->{$n}) ];
 777                                 }
 778                                 push @$items, $i;
 779                         };
 780                         undef $out;
 781                         my $stats = __stats( $items );
 782                         my @columns = grep { ! m/^\Q$key\E$/ } sort keys %$stats;
 783                         unshift @columns, $key;
 784
 785                         $loaded->{$commit_dataset} = {
 786                                 header => [ @columns ],
 787                                 columns => [ @columns ],
 788                                 mtime => time(),
 789                                 data => { items => $items },
 790                                 stats => $stats,
 791                                 generated => 1,
 792                         };
 793                         warn "# loaded out ", dump( $loaded->{$commit_dataset} );
 794                         $self->session('path', $commit_dataset);
 795                         $self->session('columns', [ @columns ]);
 796                         $self->session('order', $key);
 797                         $self->redirect_to('/data/items');
 798                         return; # FIXME needed to correctly show columns
 799                 }
 800
 801                 # this might move before $out to recalculate stats on source dataset?
 802                 __path_rebuild_stats( $path );
 803                 my $c = { map { $_ => 1 } @columns };
 804                 my @added_columns = sort grep { ! $c->{$_} } keys %$commit_changed;
 805                 warn "# added_columns ",dump( @added_columns );
 806                 unshift @columns, @added_columns;
 807
 808                 $self->session('columns', [ @columns ]);
 809                 $loaded->{$path}->{columns} = [ @columns ];
 810                 warn "# new columns ",dump( @columns );
 811
 812                 __invalidate_path_column( $path, $_ ) foreach keys %$commit_changed;
 813         }
 814
 815         my $sorted_items;
 816         my $from_end = $sort eq 'd' ? $#$filtered : 0;
 817         my $test_changed;
 818         my ( $key, $value, $out ) = ( 'key', 'value' ); # XXX make local
 819         foreach ( 0 .. $limit ) {
 820                 my $i = $_ + $offset;
 821                 last unless defined $filtered->[$i];
 822                 $i = $from_end - $i if $from_end;
 823                 my $id = $filtered->[$i];
 824                 my $row = Storable::dclone $data->{items}->[ $id ];
 825                 if ( $code && $test ) {
 826                         my $update;
 827                         eval $code;
 828                         if ( $@ ) {
 829                                 warn "ERROR evaling $@", dump($code);
 830                                 $self->stash('eval_error', $@) if $@;
 831                         } else {
 832                                 warn "EVAL ",dump($update);
 833                                 foreach ( keys %$update ) {
 834                                         $test_changed->{$_}++;
 835                                         $row->{$_} = $update->{$_};
 836                                 }
 837                         }
 838                 }
 839                 $row->{_row_id} ||= $id;
 840                 push @$sorted_items, $row;
 841         }
 842
 843         if ( $self->param('export') ) {
 844                 my $export_path = $self->_export_path( 'items', @columns);
 845                 open(my $fh, '>', $export_path) || die "ERROR: can't open $export_path: $!";
 846                 print $fh "#",join("\t",@columns),"\n";
 847                 foreach my $f ( 0 .. $#$filtered ) {
 848                         print $fh join("\t", map {
 849                                 my $i = $data->{items}->[ $filtered->[$f] ];
 850                                 my $v = '\N';
 851                                 if ( ! defined $i->{$_} ) {
 852                                         # nop
 853                                 } elsif ( ref $i->{$_} eq 'ARRAY' ) {
 854                                         $v =join(',', @{ $i->{$_} });
 855                                         $v = '\N' if length($v) == 0;
 856                                 } elsif ( ! ref $i->{$_} ) {
 857                                         $v = $i->{$_};
 858                                 } else {
 859                                         $v = dump $i->{$_};
 860                                 }
 861                                 $v;
 862                         } @columns),"\n";
 863                 }
 864                 close($fh);
 865                 warn "export $export_path ", -s $export_path, " bytes\n";
 866         }
 867
 868         warn "# test_changed ",dump( $test_changed );
 869         my $c = { map { $_ => 1 } @columns };
 870         my @added_columns = sort grep { ! $c->{$_} } keys %$test_changed;
 871         unshift @columns, @added_columns;
 872
 873         warn "# sorted_items ", $#$sorted_items + 1, " offset $offset limit $limit order $sort";
 874
 875         my $code_depends = $self->param('code_depends')||
 876         join(',', sort grep { $test_changed->{$_} == 0 } keys %$test_changed );
 877         my $code_description = $self->param('code_description') ||
 878         join(',', @added_columns);
 879
 880         $code_depends ||= $code_description; # self-modifing
 881         if ( ! $code_depends && $out ) {
 882                 $code_depends = $key;
 883                 $code_description = $value;
 884         }
 885
 886         warn "# test_changed ",dump( $test_changed, $code_depends, $code_description );
 887
 888         $self->render(
 889                 order => $order,
 890                 offset => $offset,
 891                 limit => $limit,
 892                 sorted => $sorted_items,
 893                 columns => [ @columns ],
 894                 rows => $#$filtered + 1,
 895                 numeric => { map { $_, $self->_is_numeric($_) } @columns },
 896                 unique  => { map { $_, $self->_is_unique( $_) } @columns },
 897                 filters => $self->_current_filters,
 898                 code => $code,
 899                 cols_changed => $commit ? $commit_changed : $test_changed,
 900                 code_depends => $code_depends,
 901                 code_description => $code_description,
 902                 code_path => $code_path,
 903                 out => $out,
 904         );
 905
 906 }
 907
 908
 909 sub order {
 910         my $self = shift;
 911         $self->session('order', $self->param('order'));
 912         $self->session('sort', $self->param('sort'));
 913         $self->redirect_to('/data/items');
 914 }
 915
 916 sub _is_numeric {
 917         my ( $self, $name ) = @_;
 918
 919         my $stats = $self->_loaded( 'stats' );
 920
 921         # sort facet numerically if more >50% elements are numeric
 922         my $count = $stats->{$name}->{count};
 923         $count   -= $stats->{$name}->{empty} if defined $stats->{$name}->{empty};
 924         defined $stats->{$name}->{numeric} &&
 925                 $stats->{$name}->{numeric} > $count / 2;
 926 }
 927
 928 sub _is_unique {
 929         my ( $self, $name ) = @_;
 930         my $stats = $self->_loaded( 'stats' );
 931         defined $stats->{$name}->{unique};
 932 }
 933
 934 sub _remove_filter {
 935         my ($self,$name) = @_;
 936         warn "_remove_filter $name\n";
 937
 938         my $path = $self->session('path');
 939
 940         delete $filters->{$name};
 941         delete $loaded->{$path}->{filters}->{$name};
 942         warn "filters left: ", keys %{ $loaded->{$path}->{filters} };
 943
 944         foreach (
 945                         grep { /\Q$name\E/ }
 946                         keys %{ $loaded->{$path}->{filtered} }
 947         ) {
 948                 delete $loaded->{$path}->{filtered}->{$_};
 949                 warn "remove filtered cache $_";
 950         }
 951 }
 952
 953 sub facet {
 954         my $self = shift;
 955
 956         my $path = $self->session('path') || $self->redirect_to( '/data/index' );
 957
 958         if ( my $name = $self->param('remove') ) {
 959                 $self->_remove_filter( $name );
 960                 $self->redirect_to( '/data/items' );
 961         }
 962
 963         my $facet;
 964         my $name = $self->param('name') || die "no name";
 965
 966         my $all = $self->_param_scalar('all', 1);
 967         my $data = $self->_loaded('data');
 968
 969         my $filters = $self->_current_filters;
 970         my $all_filters = __all_filters( keys %$filters,$self->session('order') );
 971         my $filtered = $loaded->{$path}->{filtered}->{$all_filters}
 972                 if defined $loaded->{$path}->{filtered}->{$all_filters};
 973
 974         if ( ! $filtered || $all ) {
 975                 $filtered = [ 0 .. $#{ $data->{items} } ];
 976                 warn "filter all values\n";
 977         } else {
 978                 warn "filter using $all_filters\n";
 979         }
 980
 981         foreach my $i ( @$filtered ) {
 982                 my $item = $data->{items}->[$i];
 983                 if ( ! exists $item->{$name} ) {
 984                         $facet->{ _missing }++;
 985                 } elsif ( ref $item->{$name} eq 'ARRAY' ) {
 986                         $facet->{$_}++ foreach @{ $item->{$name} };
 987                 } else {
 988                         $facet->{ $item->{$name} }++;
 989                 }
 990         }
 991
 992         my $checked_values = $self->_checked( @{ $filters->{$name} } ) if defined $filters->{$name};
 993
 994         if ( my $code = $self->param('code') ) {
 995                 my $out;
 996                 foreach my $value ( keys %$facet ) {
 997                         my $count = $facet->{$value};
 998                         my $checked = $checked_values->{$value};
 999                         eval $code;
1000                         if ( $@ ) {
1001                                 $out = $@;
1002                                 warn "ERROR: $@\n$code\n";
1003                                 last;
1004                         } elsif ( $checked != $checked_values->{$value} ) {
1005                                 warn "checked $value $count -> $checked\n";
1006                                 $checked_values->{$value} = $checked;
1007                         }
1008                 }
1009                 warn "out ",dump( $out );
1010                 $self->stash( out => $out );
1011         }
1012
1013 #       warn "# facet $name ",dump $facet;
1014
1015         my @facet_names =
1016                   $all                      ? keys %$facet
1017                 : defined $filters->{$name} ? @{ $filters->{$name} }
1018                 : keys %$facet;
1019
1020         my $numeric = $self->_is_numeric($name);
1021
1022         my $sort = $self->param('sort');
1023         # sort numeric facets with more than 5 values ascending
1024         $sort ||= $numeric && $#facet_names > 4 ? 'a' : 'c';
1025
1026         @facet_names = sort {
1027                 my $result;
1028                 if ( $sort eq 'a' ) {
1029                         $result = $numeric ? $a <=> $b : lc $a cmp lc $b;
1030                 } elsif ( $sort eq 'd' ) {
1031                         $result = $numeric ? $b <=> $a : lc $b cmp lc $a;
1032                 } elsif ( $sort eq 'c' ) {
1033                         $result = ( $facet->{$b} || -1 ) <=> ( $facet->{$a} || -1 )
1034                 } else {
1035                         warn "unknown sort: $sort";
1036                         $result = $a cmp $b;
1037                 }
1038                 $result = $a cmp $b unless defined $result; # FIXME cludge for numeric facets with invalid data
1039                 $result;
1040         } @facet_names;
1041
1042         $self->render( name => $name, facet => $facet, checked => $checked_values,
1043                 facet_names => \@facet_names, sort => $sort, numeric => $numeric,
1044         );
1045 }
1046
1047
1048 sub __invalidate_path_column {
1049         my ( $path, $name ) = @_;
1050
1051         if ( defined $loaded->{$path}->{sorted}->{$name} ) {
1052                 delete $loaded->{$path}->{sorted}->{$name};
1053                 warn "# invalidate $path sorted $name\n";
1054         }
1055
1056         foreach ( grep { m/\Q$name\E/ } keys %{ $loaded->{$path}->{filtered} } ) {
1057                 delete $loaded->{$path}->{filtered}->{$_};
1058                 warn "# invalidate $path filtered $_\n";
1059         }
1060 }
1061
1062 sub __path_modified {
1063         my ( $path, $value ) = @_;
1064         $value = 1 unless defined $value;
1065
1066         $loaded->{$path}->{modified}  = $value;
1067
1068         warn "# __path_modified $path $value\n";
1069 }
1070
1071 sub __path_rebuild_stats { $loaded->{ $_[0] }->{rebuild_stats} = 1 };
1072
1073 sub _save_change {
1074         my ($self,$change) = @_;
1075
1076         my $change_path = $self->_permanent_path( 'changes' );
1077         mkdir $change_path unless -d $change_path;
1078         $change_path .= '/' . $change->{time};
1079         store $change, $change_path;
1080         utime $change->{time}, $change->{time}, $change_path;
1081         warn "_save_change $change_path ", dump($change);
1082 }
1083
1084 sub edit {
1085         my $self = shift;
1086         my $new_content = $self->param('new_content');
1087         $new_content  ||= $self->param('content'); # backward compatibility with old actions
1088
1089         my $i = $self->param('_row_id');
1090         die "invalid _row_id ",dump($i) unless $i =~ m/^\d+$/;
1091         my $path = $self->param('path') || die "no path";
1092         my $name = $self->param('name') || die "no name";
1093         my $status = 200; # 200 = OK, 201 = Created
1094
1095         my $data = $self->_loaded('data');
1096
1097         if ( defined $loaded->{$path}->{data}->{items}->[$i] ) {
1098                 $new_content =~ s/^\s+//s;
1099                 $new_content =~ s/\s+$//s;
1100                 my $v;
1101                 if ( $new_content =~ /\xB6/ ) { # para
1102                         $v = [ split(/\s*\xB6\s*/, $new_content) ];
1103                 } else {
1104                         $v = [ $new_content ];
1105                 }
1106
1107                 my $old = dump $loaded->{$path}->{data}->{items}->[$i]->{$name};
1108                 my $new = dump $v;
1109                 if ( $old ne $new
1110                         && ! ( $old eq 'undef' && length($new_content) == 0 ) # new value empty, previous undef
1111                 ) {
1112                         $self->_save_change({
1113                                 path => $path,
1114                                 column => $name,
1115                                 pos => $i,
1116                                 old => $loaded->{$path}->{data}->{items}->[$i]->{$name},
1117                                 new => $v,
1118                                 time => $self->param('time') || time(),
1119                                 user => $self->param('user') || $ENV{'LOGNAME'},
1120                                 unique => {
1121                                         map { $_ => $loaded->{$path}->{data}->{items}->[$i]->{$_}->[0] }
1122                                         grep { defined $loaded->{$path}->{stats}->{$_}->{unique} }
1123                                         keys %{ $loaded->{$path}->{stats} }
1124                                 },
1125                         });
1126
1127                         warn "# change $path $i $old -> $new\n";
1128                         $loaded->{$path}->{data}->{items}->[$i]->{$name} = $v;
1129
1130                         __invalidate_path_column( $path, $name );
1131
1132                         $status = 201; # created
1133                         __path_rebuild_stats( $path );
1134
1135                         $new_content = join("\xB6",@$v);
1136
1137                 } else {
1138                         warn "# unchanged $path $i $old\n";
1139                         $status = 304;
1140                 }
1141         } else {
1142                 $new_content = "$path $i $name doesn't exist\n";
1143                 $status = 404;
1144         }
1145
1146         warn "# edit $status ", dump $new_content;
1147
1148         $self->render(
1149                 status => $status,
1150                 new_content => scalar $new_content,
1151         );
1152 }
1153
1154
1155 sub save {
1156         my $self = shift;
1157         my $path = $self->_param_or_session('path');
1158         my $dump_path = $self->_save( $path );
1159         __path_modified( $path, 0 );
1160
1161         $self->redirect_to( '/data/items' );
1162 }
1163
1164 sub export {
1165         my $self = shift;
1166
1167         my $dir = $self->app->home->rel_dir('public');
1168
1169         if ( my $import = $self->param('import') ) {
1170
1171                 if ( $import =~ m{/filter\.(.+?)\..+} ) {
1172                         my $name = $self->_column_from_unac( $1 );
1173
1174                         my @vals = map { chomp; $_ }
1175                                 read_file "$dir/export/$import", binmode => ':utf8';
1176
1177                         $self->_remove_filter( $name );
1178                         $self->_filter_on_data( $name, @vals );
1179                         $self->session( 'offset' => 0 );
1180                         $self->redirect_to('/data/items');
1181                 } else {
1182                         warn "UNKNOWN IMPORT $import";
1183                 }
1184         }
1185
1186         if ( my $remove = $self->param('remove') ) {
1187                 my $path = "$dir/export/$remove";
1188                 unlink $path if -e $path;
1189                 $path .= '.png';
1190                 unlink $path if -e $path;
1191         }
1192
1193         my $path = $self->_export_path || $self->redirect_to('/data/index');
1194
1195         my @files = grep { ! /\.png$/ } glob "$path/*";
1196         my $mtime = { map { $_ => (stat($_))[9] } @files };
1197         @files = sort { $mtime->{$b} <=> $mtime->{$a} } @files;
1198         $self->render( export => [ @files ] );
1199 }
1200
1201 sub __loaded_paths {
1202         return
1203                 grep { defined $loaded->{$_}->{data} }
1204                 keys %$loaded;
1205 }
1206
1207 1;